Seiko Cal. 4420 - 221

This Solar model from 1974 features a 46mm Two-Tone case. Powered by the 4420 caliber with 30j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-d3317c20d669]

Also known as: Goldfeather, Bellmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

46mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1974

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